Implementation of adaptive mechanism of domain object and XML data extension using.Net

To facilitate the complexity of the business logic and business data characteristics,the appropriate implementation pattern can be chosen for business logic according to the requirements by introducing adaptive mechanism.With the hierarchy characteristics of XML,business objects can invoke relational database as well as XML data using the expansion provided by XPath and XSLT.The tests demonstrate that with the adaptive mechanism client program can remain stable even when data model is changed.With special XML technologies,the adaptive mechanism can also apply to XML data.